Home / 272,676.40-376,359.74-157,936.56

Finding the Fourth Proportional to 272,676.40, 376,359.74 and 157,936.56

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Solution

The fourth proportional to 272,676.40, 376,359.74 and 157,936.56 is: 217,990.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,676.40 : 376,359.74 = 157,936.56 : x
  2. Step 2: Convert to fraction form
    272,676.40/376,359.74 = 157,936.56/x
  3. Step 3: Cross multiply
    272,676.40x = 376,359.74 × 157,936.56
  4. Step 4: Simplify right side
    272,676.40x = 59,440,962,658.09
  5. Step 5: Solve for x
    x = 59,440,962,658.09/272,676.40
  6. Step 6: Final answer
    x = 217,990.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.